A:MachineScrew:机械螺丝螺丝
B:TappingScrew:自攻螺丝(分使用于金属与使用于塑料二种)
B-1:SheetMetalTappingScrew.(铁板牙自攻螺丝)
B-2:PlasticTappingScrew.(塑料用,自攻螺丝)
C:WoodenScrew:木工螺丝
D:DrywallScrew:水泥墙螺丝
E:SelfDrillingScrews钻尾螺丝(不锈钢钻尾螺丝,复合材料钻尾螺丝)
标准件的12种零件:
1.螺栓:Bolt;2螺柱:stud;3.螺钉:nuts;4.螺母:screws;
5.自攻螺钉:self-tappingscrews;6.木螺钉:woodscrews;
7.垫圈:washers;8.挡圈::rings;9.销:pins;10.铆钉:rivets;
11.组合件和连接副:assemblyandconnection;12.焊钉:weldingnail
screw=bolt
wallinsertbolt胀管螺钉
butterflynut元宝螺母
studbolt双头螺杆
countersunkbolt平头螺钉
roundheadbolt圆头螺钉
capnut奶头螺母
hex。socketheadcapbolt内六方螺钉